An engineer who played a crucial role in the development of the Murrumbidgee Irrigation Scheme and produced the first map of the Murray-Darling Basin. Career Highlights and Contributions McKinney trained in Northern Ireland and worked with the Indian Public Works Department. He joined the NSW Public Works Department in 1880, studying NSW rivers and working on the Upper Nepean Scheme. He proposed a plan for the Murrumbidgee canal in 1891, which was later adopted by the NSW Government. His fieldwork led to the creation of the first map of the Murray-Darling Basin and he published reports on irrigation. He was a member of engineering institutions in London and New South Wales.